Talc Is a Mineral with Low Conductivity for Heat and Electricity

Multiple Choice

Talc is a mineral with low conductivity for heat and electricity which is not attacked by acid. It is used in talcum powder and face powder. Suppose a sample of talc weighs 13.65 g with a density of 1.75 g/cm³ in mineral oil. If this same sample of talc in air weighs 35.97 g, assuming no volume change, what is the density of the talc sample in air?

A) 4.61 g/cm³
B) 2.82 g/cm³
C) 2.63 g/cm³
D) 2.44 g/cm³
E) 1.61 g/cm³